I think you don’t need to do anything special. My 2011 335is that I bought new nearly 12 years ago, has 247k miles and still runs like new. I did...
Speedometer Reading I suggest he take a long ride on the I-State and check it against the mile markers. As the mile markers aren't perfect...
is engine output -------------------------- IRT your comment, I noted that the spec page in my operator's manual lists the HP as 335, not 320....
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